1. From the home screen, touch and hold the Home key.
   
2. While continuing to hold, swipe up to Google.
   
3. Tap the Microphone icon or say, ‘Ok, Google’.
   
4. Speak the Desired command.
   
5. To change voice command settings, tap the Menu icon.
   
6. Tap Settings.
   
7. Tap Voice, then adjust the settings as desired.